One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,3,4)(5,6)(7,11)(8,9)(10,12)(13,14)(15,27)(16,32)(17,37)(18,39)(19,41)(20,26)(21,30)(22,34)(23,28)(24,38)(25,40)(29,33)(31,35)(36,44)(42,43)(2,4)(6,9)(10,11)(13,15,28,26,18,31,36,29,40,43,42,25,33,44,35,39,20,23,27,14,21,37,16,24,19,22,34,41,38,32,17,30)(5,7,8,12)(6,10,9,11)(13,16,33,28,19,35,18,34,20,36,38,27,40,17,21,42)(14,22,30,31,25,23,24,32,26,43,39,37,41,15,29,44)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.